NATO Stock Number
5310-01-274-3251
Sold in multiples of
1 EA
DEMIL
NO
Thread Class
2a
Thread Direction
Right-hand
Width Between Flats
0.310 inches
Internal Drive Style
Double hexagon
Nut Style
Internal wrenching
Nut Diameter
Between 0.521 inches and 0.526 inches
Nut Height
Between 0.512 inches and 0.522 inches
Thread Series
Unf
Thready Qty Per Inch (tpi)
24
Thread Size
0.312 inches
Countersink Angle
90.0 degrees nut
Criticality Code Justification
Zzzy
Material
Steel comp 303
Special Test Features
Special quality control testing
Test Data Document
81349-mil-p-23199 specification (includes engineering type bulletins, brochures, etc., that reflect specification type data in specification format; excludes commercial catalogs, industry directories, and similar trade publications, reflecting general type data on certain environmental and performance requirements and test conditions that are shown as "typical", "average", "", etc.).
Reference Number Differentiating Characteristics
Reference number differentiating material will be in accordance with naval inventory control point activity hx quality control. Manufacturing and testing specifications available at the dla icp
